A blister is a small pocket of fluid that forms on an area of the body.
on of Blister foot bottom bunny
If you were going to leave this as a plain wire sculpture, you would have to be much more precise putting it together. Dyshidrotic eczema, or dyshidrosis, is a skin condition in which blisters develop on the soles of your feet or the palms of your hands. In fact the thermal burns that cause blisters are second degree burns.
When To Pop A Blister
Roll it into a cylinder so it is about 9 inches across the bottom and narrowing to about 3 inches at the top. It is even mentioned in the "Podiatry Today" article on blister prevention. I didn't wear them.